package Ep03_HashTable._0001;

import java.util.HashMap;

/**
 * @author Jimmy Zhan WORKSTATION
 * @date 2023/7/10 11:15
 * 说明：
 */

public class Review02 {
    public int[] twoSum(int[] nums, int target) {
        HashMap<Integer, Integer> map = new HashMap<>();
        for (int i = 0; i < nums.length; ++i) {
            if (map.containsKey(target - nums[i])) {
                return new int[] {i, map.get(target - nums[i])};
            } else {
                map.put(nums[i], i);
            }
        }
        return null;
    }
}
